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Finding the Fourth Proportional to 489,935.80, 734,903.43 and 153,005.32

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Solution

The fourth proportional to 489,935.80, 734,903.43 and 153,005.32 is: 229,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,935.80 : 734,903.43 = 153,005.32 : x
  2. Step 2: Convert to fraction form
    489,935.80/734,903.43 = 153,005.32/x
  3. Step 3: Cross multiply
    489,935.80x = 734,903.43 × 153,005.32
  4. Step 4: Simplify right side
    489,935.80x = 112,444,134,476.25
  5. Step 5: Solve for x
    x = 112,444,134,476.25/489,935.80
  6. Step 6: Final answer
    x = 229,507.90

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.